A womanbreasts - specifically when referring to the type, style, size or quirkiness of her breasts. Usually used in a positive way to define "the girls" in question.
Her boobage was such that it couldn't be tamed even with an industrial strength Fredrick's of Hollywood bra.
or
What little boobage she had was choice.
or
My boobage is just going to rebel against the buttons on this blouse!
"When I was around 11 or 12 my brother-in-law, who is a physician, gave me the "random fact" that the medical term for breasts is actually BOOBACLES, thus making "boob" the slang term." -ghost-from-tomorrow, Reddit.
The noticeable presence of breasts. Could be because of the size, exposed cleavage or large number of noticeable breasts in a particular place.
The truth is, of course that all boobs rule, (well, not man-boobs); be they big, small, fake or strangely shaped. The world would be a better place if all girls embraced their boobage. Set them free ladies. Set them free.
Jake: Man, check out the boobage on the dancefloor!
Jimmy: Dude, I've been staring since we got here!
Jake: Boooooobs...